RFR: 8327259: Document supported CLDR versions in the javadoc

[Naoto Sato]

Adding a table that maps JDK versions and corresponding CLDR releases as an implNote. A draft CSR has also been created.

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Commit messages:
 - initial commit

Changes: https://git.openjdk.org/jdk/pull/18243/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18243&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8327259
  Stats: 48 lines in 1 file changed: 46 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/18243.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18243/head:pull/18243

PR: https://git.openjdk.org/jdk/pull/18243